Home / 1,078,063,729.60-1,617,090,345.60-422,551,595.20

Finding the Fourth Proportional to 1,078,063,729.60, 1,617,090,345.60 and 422,551,595.20

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Solution

The fourth proportional to 1,078,063,729.60, 1,617,090,345.60 and 422,551,595.20 is: 633,825,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,063,729.60 : 1,617,090,345.60 = 422,551,595.20 : x
  2. Step 2: Convert to fraction form
    1,078,063,729.60/1,617,090,345.60 = 422,551,595.20/x
  3. Step 3: Cross multiply
    1,078,063,729.60x = 1,617,090,345.60 × 422,551,595.20
  4. Step 4: Simplify right side
    1,078,063,729.60x = 683,304,105,115,799,296
  5. Step 5: Solve for x
    x = 683,304,105,115,799,296/1,078,063,729.60
  6. Step 6: Final answer
    x = 633,825,335.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.